How To Peroxide (H2O2) dosing for parasites in reef tank

Users who are viewing this thread

Schnell76

Member
My assumption is that PolypLab Medic is peroxide based, but a) It's expensive b) You don't know what concentration of H2O2 you are dosing.

In @Jessican's original post, she lays out dosage info using 3% H2O2 that anyone can buy from Walmart or a drug store. :)
I read the dosage. I’m curious as to peroxide levels so I ordered some test strips recommended in this sticky.
 

Jessican

Sheriff
Thread starter
Location
San Antonio, TX
Country flag
I read the dosage. I’m curious as to peroxide levels so I ordered some test strips recommended in this sticky.
Problem is that “crystallized peroxide salts” can mean a lot of things. I found this article by Practical Fishkeeping where they tried to dig into it, but PolypLab refused to provide an MSDS. That alone would make me wary of using the product; at least I know exactly what’s in a bottle of H2O2.
 

SKKY

Active member
Country flag
Since UV + H2O2 combo has been proven that it offers a very good results..What about adding ozone?. A third variable to this combination creating a Tri-Combo. Do you think it would be a good idea?

Any thoughts or experience on that?
 

Jessican

Sheriff
Thread starter
Location
San Antonio, TX
Country flag
Since UV + H2O2 combo has been proven that it offers a very good results..What about adding ozone?. A third variable to this combination creating a Tri-Combo. Do you think it would be a good idea?

Any thoughts or experience on that?
Considering that peroxide is already an oxidizer, and UV boosts its effectiveness, I’d be very careful adding ozone unless you can monitor the ORP. @baybridgeaquarium can speak more to what happens if you over oxidize, it’s definitely not a good thing.
 

Schnell76

Member
So Polyp Labs Medic tests H2O2 at 3 ppm. That was 15 mins after dosing and at double the recommended dose. So, there is peroxide in the there, but would appear it’s relatively low quantities.
For true peroxide dosing what is the level recommended?
 

Humblefish

Dr. Fish
Location
Wandering Nomad
Country flag
For true peroxide dosing what is the level recommended?

Perox-Aid is the only FDA approved peroxide based medication for veterinary use on fish: https://syndel.com/product/35-perox-aid/

More detailed information below:



You can buy it here and they also include a dosing calculator on their website: https://globalaquaculturesupply.com/perox-aid/

Or there's a formula for using Perox-Aid here: https://edis.ifas.ufl.edu/pdffiles/FA/FA15700.pdf
 

drstardust

Well-known member
Country flag

Jessican

Sheriff
Thread starter
Location
San Antonio, TX
Country flag
In the studies done on Amyloodinium (Marine Velvet Disease), single treatments with hydrogen peroxide at concentrations of 75 or 150 mg/L eliminated Amyloodinium sp. trophonts without causing loss of fish: https://www.researchgate.net/public...n_the_Pacific_Threadfin_Polydactylus_sexfilis
You don’t want to be anywhere near that with in-tank dosing, though.

Here’s what I calculated in tank treatments to be, using 3% H2O2:
1mL/10gal (40L) = 0.75ppm
1mL/8gal (30L) = 0.9ppm
1mL/5gal (19L) = 1.59ppm
1mL/3gal (11L) = 2.73ppm
1mL/1gal (4L) = 7.5ppm

I personally only go up to around 1mL/5gal in my tanks, since they’re mixed reefs. Others dosing fish only tanks have gone up to the 1mL/1gal level. It sounds like Medic tests right in this same range, although I personally still don’t like that they’re vague about what’s in it - is it hydrogen peroxide? Sodium peroxide? Barium peroxide? I found a thread where Randy thinks it could be sodium percarbonate, which is a combo of sodium carbonate and hydrogen peroxide. Given the cost difference and that the formation is unknown, I’d stick with plain old H2O2 myself.
 

Humblefish

Dr. Fish
Location
Wandering Nomad
Country flag
Yes, but haven't some anecdotal reports of it not doing the trick surfaced? Didn't you mention a friend who failed to eliminate velvet after a 175ppm bath?

Yes, but he's sloppy when it comes to QT (by his own admission). I believe @Dr.Reef has put some fish with velvet through a 175ppm bath, so let's find out if it worked for him.

You don’t want to be anywhere near that with in-tank dosing, though.

Here’s what I calculated in tank treatments to be, using 3% H2O2:
1mL/10gal (40L) = 0.75ppm
1mL/8gal (30L) = 0.9ppm
1mL/5gal (19L) = 1.59ppm
1mL/3gal (11L) = 2.73ppm
1mL/1gal (4L) = 7.5ppm

I personally only go up to around 1mL/5gal in my tanks, since they’re mixed reefs. Others dosing fish only tanks have gone up to the 1mL/1gal level. It sounds like Medic tests right in this same range, although I personally still don’t like that they’re vague about what’s in it - is it hydrogen peroxide? Sodium peroxide? Barium peroxide? I found a thread where Randy thinks it could be sodium percarbonate, which is a combo of sodium carbonate and hydrogen peroxide. Given the cost difference and that the formation is unknown, I’d stick with plain old H2O2 myself.

Thanks for that! I forgot which H2O2 thread I was posting in. :whistle:
 

Jessican

Sheriff
Thread starter
Location
San Antonio, TX
Country flag
Yes, but he's sloppy when it comes to QT (by his own admission). I believe @Dr.Reef has put some fish with velvet through a 175ppm bath, so let's find out if it worked for him.
I haven’t tried it on any visibly infected fish, but I can say that a 150ppm bath allowed me to move a fish from my main tank to a completely unprotected tank without bringing over any disease.

Thanks for that! I forgot which H2O2 thread I was posting in. :whistle:
No worries, I figured, that’s why I wanted to call it out. :giggle:
 

Schnell76

Member
Thank you. I agree on the Medic. I started to use it as my tank is too large and can't let the tank go fallow for 70 days or so. Have no place for all my fish if I had to do that! I got to reading the Medic paper insert and was intrigued by the ingredient list so I googled peroxide treatment for ich and voila, found this very recent sticky! Thank you for posting your precise info!
One thing I didn't notice is if you (or anyone else who has used H2O2 for treatment) has any experience in ill effects to starfish? If this treatment kills my wifes stars I will be in deep :poop:

You don’t want to be anywhere near that with in-tank dosing, though.

Here’s what I calculated in tank treatments to be, using 3% H2O2:
1mL/10gal (40L) = 0.75ppm
1mL/8gal (30L) = 0.9ppm
1mL/5gal (19L) = 1.59ppm
1mL/3gal (11L) = 2.73ppm
1mL/1gal (4L) = 7.5ppm

I personally only go up to around 1mL/5gal in my tanks, since they’re mixed reefs. Others dosing fish only tanks have gone up to the 1mL/1gal level. It sounds like Medic tests right in this same range, although I personally still don’t like that they’re vague about what’s in it - is it hydrogen peroxide? Sodium peroxide? Barium peroxide? I found a thread where Randy thinks it could be sodium percarbonate, which is a combo of sodium carbonate and hydrogen peroxide. Given the cost difference and that the formation is unknown, I’d stick with plain old H2O2 myself.
 

Jessican

Sheriff
Thread starter
Location
San Antonio, TX
Country flag
Thank you. I agree on the Medic. I started to use it as my tank is too large and can't let the tank go fallow for 70 days or so. Have no place for all my fish if I had to do that! I got to reading the Medic paper insert and was intrigued by the ingredient list so I googled peroxide treatment for ich and voila, found this very recent sticky! Thank you for posting your precise info!
One thing I didn't notice is if you (or anyone else who has used H2O2 for treatment) has any experience in ill effects to starfish? If this treatment kills my wifes stars I will be in deep :poop:
I don’t have any starfish, so I can’t say for sure. However, my urchins seem to tolerate it just fine. @SKKY or @Sashaka, did either of you have starfish?
 

salty150

Member
So the hydrogen peroxide treatments take care of: velvet, flukes, brooklynella, and uronema - but not Ich, correct?
 

Schnell76

Member
@Schnell76 Let's see what @Jessican has to say, but urchins/starfish are very sensitive to changing water chemistry IME.
The ones in question are quite hardy once settled in. It’s the common stars from KP Aquatics. Bought one after reading his write up and the reviews. Have since bought two more small ones. They are very cool starfish and remind me/my wife of “Peach” from Nemo. My oldest/largest one has been in the tank since started treating with Medic prior to finding this thread.
 

Jessican

Sheriff
Thread starter
Location
San Antonio, TX
Country flag
So the hydrogen peroxide treatments take care of: velvet, flukes, brooklynella, and uronema - but not Ich, correct?
We don’t think the baths will knock out ich, because it burrows deeper under the skin, but the idea of in-tank treatment is mostly to target the free swimmers and keep the population down (hopefully eventually eliminating it, although I can’t say for sure that it does) while the fishes immune systems handle anything that actually attaches to them. It should work as well for ich as it does for anything else as an in-tank treatment in that case.
 

salty150

Member
So is it safe to say that the thinking here is that we might be able to just use a higher concentration (whatever that may be found to be) of just hydrogen peroxide in the QT during the quarantine process for "X" number of days (instead of using copper, prazi, metro) - and then use a lower concentration in the display tank as a preventative?
 

Jessican

Sheriff
Thread starter
Location
San Antonio, TX
Country flag
So is it safe to say that the thinking here is that we might be able to just use a higher concentration (whatever that may be found to be) of just hydrogen peroxide in the QT during the quarantine process for "X" number of days (instead of using copper, prazi, metro) - and then use a lower concentration in the display tank as a preventative?
Well, that wasn’t really the purpose of this thread. This came about because despite QT’ing, I had yet another outbreak of something, this time in my main tank where it wasn’t feasible to pull everyone and go fallow. So this was developed as a treatment alternative for an active outbreak. I suppose you could extrapolate that into a QT environment in lieu of using meds - it’s not far off from @Humblefish’s hybrid TTM method - but that wasn’t the original reason for this thread.
 

Schnell76

Member
I would think UV would be a better option than adding H2O2 as a preventative (in DT).

So is it safe to say that the thinking here is that we might be able to just use a higher concentration (whatever that may be found to be) of just hydrogen peroxide in the QT during the quarantine process for "X" number of days (instead of using copper, prazi, metro) - and then use a lower concentration in the display tank as a preventative?
 
Top